A Yemeni cleric who allegedly boasted of giving Osama bin Laden millions of dollars collected at a Brooklyn mosque could be hauled into federal court as soon as today, after more than 10 months spent fighting extradition from Germany, a law enforcement source said.

Sheik Mohammed Al Hasan Al-Moayad and his alleged assistant, Mohammed Mohsen Yahya Zayed, are expected to be arraigned in Brooklyn Federal Court immediately upon their arrival in the U.S. on charges they gave material support to al Qaeda and Hamas.

The two were nabbed at a Frankfurt hotel in January after Al-Moayad told FBI agent that he’d provided bin Laden with recruits, weapons and $20 million “for jihad” in advance of the 9/11 terror attacks, according to court papers.

The accused terror financier allegedly said a sizable chunk of the cash came from businessmen who worshipped at the al-Farooq mosque on Atlantic Avenue.

The sheik said some of the money would be used to fight the “Great Satan America,” according to court papers.

Last week, Germany’s supreme court approved extradition for the pair.

The alleged treachery came to light following an elaborate transcontinental sting operation, in which an FBI agent posed as an American millionaire looking to donate $2 million to terrorist causes.

The undercover met with Al-Moayad in Germany thanks to an introduction by a cooperating informant – a Yemeni man who was living in New York.

Al-Moayad could face 60 years in prison if he’s convicted, while Zayed is potentially looking at up to 30 years behind bars for conspiracy.

The arrests sparked protests in Yemen, where officials have asked that both men be allowed to return to their homeland.